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    <title>FeHelper - 前端开发者的超级助手</title>
    <meta name="description" content="FeHelper是一个专为前端开发者设计的强大浏览器扩展，集成31种实用工具：JSON美化/Mock数据生成/AI助手/接口调试/图像处理等，支持Chrome/Edge/Firefox，开源免费！">
    <meta property="og:title" content="FeHelper - 前端开发者的超级助手" />
    <meta property="og:description" content="专为前端开发者设计！31种实用工具，JSON美化/Mock数据/AI助手/接口调试，支持Chrome/Edge/Firefox，开源免费！" />
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    <meta itemprop="name" content="FeHelper - 职场人的超级助手">
    <meta itemprop="description" content="全新升级！30+实用工具，支持Chrome/Edge/Firefox，开源免费，前端/数据/办公必备！">
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                    前端开发者的 <span class="gradient-text">超级助手</span>
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                        FeHelper是一个功能强大的 <span class="highlight">开源浏览器扩展</span>，专为前端开发者和各类职场人设计，集成了30+种实用工具，包括JSON处理、代码美化、接口调试、AI助手、图像处理等核心功能，支持Chrome、Edge、Firefox浏览器。
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                                <span>图像处理类</span>
                                <div class="tool-count">7种工具</div>
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                                <span>编解码转换类</span>
                                <div class="tool-count">4种工具</div>
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                                <div class="tool-count">4种工具</div>
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                                <div class="tool-count">4种工具</div>
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            <div class="preview-caption">JSON美化工具</div>
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            <div class="preview-caption">二维码工具</div>
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    <!-- Features Section -->
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                <h2>为什么选择 FeHelper？</h2>
                <p>为职场人量身打造的全能工具集</p>
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                <div class="feature-card">
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                    <h3>超高性能 <span class="feature-sub">极速体验，极致流畅</span></h3>
                    <p>基于 Manifest V3 构建，启动速度快，内存占用低，毫秒级响应，20万+开发者共同见证，真正不影响浏览器性能。</p>
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                    <h3>安全可靠 <span class="feature-sub">数据本地，隐私无忧</span></h3>
                    <p>遵循最新安全标准，所有数据本地处理，绝不上传任何敏感信息，企业级安全保障，支持离线使用。</p>
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                    <h3>完全开源 <span class="feature-sub">社区共建，持续进化</span></h3>
                    <p>MIT 开源协议，代码透明，5K+ GitHub Stars，全球开发者共同维护，持续更新优化。</p>
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                    <h3>工具齐全 <span class="feature-sub">30+ 专业工具，一站集成</span></h3>
                    <p>涵盖开发调试、数据处理、图像转换、效率办公等6大类31种工具，JSON美化、Mock数据、接口调试、AI助手等，满足各类开发需求。</p>
                </div>
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                    <h3>跨平台兼容 <span class="feature-sub">多端支持，随时随地</span></h3>
                    <p>完美适配 Chrome、Edge、Firefox 等主流浏览器，支持Windows、macOS、Linux等操作系统，开发体验无缝切换。</p>
                </div>
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                    <h3>智能便捷 <span class="feature-sub">AI驱动，个性定制</span></h3>
                    <p>内置AI智能助手，支持代码优化建议；个性化工具排序、快捷键配置、夜间模式等，助力高效开发每一天。</p>
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                <h2>强大的工具集</h2>
                <p>每一个工具都经过精心设计，只为提升您的开发效率</p>
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                    <button class="tab-btn active" data-category="dev">开发工具类 (9种)</button>
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                    <button class="tab-btn" data-category="encode">编解码转换类 (4种)</button>
                    <button class="tab-btn" data-category="productivity">效率工具类 (4种)</button>
                    <button class="tab-btn" data-category="calculator">计算工具类 (3种)</button>
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                <div class="tools-grid active" data-category="dev">
                    <div class="tool-card" data-category="dev">
                        <h3><div class="tool-icon"><span>⒥</span></div>JSON美化工具</h3>
                        <p>页面自动检测并格式化、手动格式化、乱码解码、排序、BigInt、编辑、下载、皮肤定制等</p>
                        <div class="tool-demo"><div class="json-demo"><pre><code>{
  "name": "FeHelper",
  "version": "2025.6.2024",
  "tools": ["JSON", "Mock", "AI", "Debug"]
}</code></pre></div></div>
                    </div>
                    <div class="tool-card" data-category="dev">
                        <h3><div class="tool-icon"><span>☷</span></div>JSON比对工具</h3>
                        <p>支持两个JSON内容的自动键值比较，并高亮显示差异点，同时也能判断JSON是否合法</p>
                        <div class="tool-demo"><div class="diff-demo"><div class="diff-left">原始</div><div class="diff-right">修改后</div><div class="diff-line added">+ "ai": "智能助手"</div><div class="diff-line removed">- "old": "旧功能"</div></div></div>
                    </div>
                    <div class="tool-card" data-category="dev">
                        <h3><div class="tool-icon"><span>🎲</span></div>Mock数据生成器</h3>
                        <p>快速生成各种测试数据，支持个人信息、商业数据、技术数据等多种类型，提供快速模板一键生成，支持JSON/CSV/SQL/XML格式输出</p>
                        <div class="tool-demo"><div class="mock-demo"><div class="mock-item">{"name": "张三", "age": 28}</div><div class="mock-item">{"email": "test@example.com"}</div></div></div>
                    </div>
                    <div class="tool-card" data-category="dev">
                        <h3><div class="tool-icon"><span>✡</span></div>代码美化工具</h3>
                        <p>支持多语言的代码美化，包括 Javascript、CSS、HTML、XML、SQL，且会陆续支持更多格式</p>
                        <div class="tool-demo"><div class="code-demo"><div class="code-before">压缩代码</div><span class="demo-arrow">→</span><div class="code-after">格式化代码</div></div></div>
                    </div>
                    <div class="tool-card" data-category="dev">
                        <h3><div class="tool-icon"><span>♯</span></div>代码压缩工具</h3>
                        <p>Web开发用，提供简单的代码压缩功能，支持HTML、Javascript、CSS代码压缩</p>
                        <div class="tool-demo"><div class="compress-demo"><div class="size-before">100KB</div><span class="demo-arrow">→</span><div class="size-after">65KB</div><div class="compress-ratio">35% 压缩率</div></div></div>
                    </div>
                    <div class="tool-card" data-category="dev">
                        <h3><div class="tool-icon"><span>☯</span></div>简易Postman</h3>
                        <p>开发过程中的接口调试工具，支持GET/POST/HEAD请求方式，且支持JSON内容自动格式化</p>
                        <div class="tool-demo"><div class="api-demo"><div class="request-line">POST /api/users</div><div class="response-status success">200 OK</div></div></div>
                    </div>
                    <div class="tool-card" data-category="dev">
                        <h3><div class="tool-icon"><span>ⓦ</span></div>Websocket工具</h3>
                        <p>支持对Websocket接口的抓包测试，包括ws服务的连接测试、消息发送测试、结果分析等</p>
                        <div class="tool-demo"><div class="websocket-demo"><div class="ws-status connected"><span class="ws-indicator">●</span> 已连接</div></div></div>
                    </div>
                    <div class="tool-card" data-category="dev">
                        <h3><div class="tool-icon"><span>✙</span></div>正则公式速查</h3>
                        <p>支持 JavaScript / Python / PHP / Java 等语言的正则速查，包含验证类、提取类、替换类、格式化类、特殊字符类、编程相关等常用正则表达式</p>
                    </div>
                    <div class="tool-card" data-category="dev">
                        <h3><div class="tool-icon"><span>⏱</span></div>网站性能分析</h3>
                        <p>全面分析网页性能指标，包括核心Web指标(LCP/FID/CLS)、资源加载性能、内存使用、长任务监控等，并提供针对性的优化建议</p>
                    </div>
                </div>

                <!-- 编解码转换类 -->
                <div class="tools-grid" data-category="encode">
                    <div class="tool-card" data-category="encode">
                        <h3><div class="tool-icon"><span>♨</span></div>信息编码转换</h3>
                        <p>支持多格式的信息编解码，如Unicode、UTF-8、UTF-16、URL、Base64、MD5、Hex、Gzip等</p>
                        <div class="tool-demo"><div class="encode-demo"><div class="encode-input">Hello World</div><div class="encode-arrows"><span class="demo-arrow">⇄</span></div><div class="encode-output">SGVsbG8gV29ybGQ=</div></div></div>
                    </div>
                    <div class="tool-card" data-category="encode">
                        <h3><div class="tool-icon"><span>❖</span></div>进制转换工具</h3>
                        <p>支持2进制到36进制数据之间的任意转换，比如：10进制转2进制，8进制转16进制，等等</p>
                    </div>
                    <div class="tool-card" data-category="encode">
                        <h3><div class="tool-icon"><span>♖</span></div>时间(戳)转换</h3>
                        <p>本地化时间与时间戳之间的相互转换，支持秒/毫秒、支持世界时区切换、各时区时钟展示等</p>
                    </div>
                    <div class="tool-card" data-category="encode">
                        <h3><div class="tool-icon"><span>▶</span></div>颜色转换工具</h3>
                        <p>支持HEX颜色到RGB格式的互转，比如HEX颜色「#43ad7f」转RGB后为「rgb(67, 173, 127)」</p>
                    </div>
                </div>

                <!-- 图像处理类 -->
                <div class="tools-grid" data-category="image">
                    <div class="tool-card" data-category="image">
                        <h3><div class="tool-icon"><span>▣</span></div>二维码/解码</h3>
                        <p>支持自定义颜色和icon的二维码生成器，并且支持多种模式的二维码解码，包括截图后粘贴解码</p>
                        <div class="tool-demo"><div class="qr-demo"><div class="qr-code"><div class="qr-pattern"></div></div></div></div>
                    </div>
                    <div class="tool-card" data-category="image">
                        <h3><div class="tool-icon"><span>▤</span></div>图片转Base64</h3>
                        <p>支持多种模式的图片转Base64格式，比如链接粘贴/截图粘贴等，也支持Base64数据逆转图片</p>
                    </div>
                    <div class="tool-card" data-category="image">
                        <h3><div class="tool-icon"><span>⇲</span></div>SVG转为图片</h3>
                        <p>支持SVG文件转换为PNG、JPG、WEBP等格式，可自定义输出尺寸，支持文件拖放和URL导入</p>
                    </div>
                    <div class="tool-card" data-category="image">
                        <h3><div class="tool-icon"><span>📊</span></div>图表制作工具</h3>
                        <p>快速制作各类数据可视化图表，支持柱状图、折线图、饼图等多种图表类型，可导出为图片格式</p>
                        <div class="tool-demo"><div class="color-gradient-demo"></div></div>
                    </div>
                    <div class="tool-card" data-category="image">
                        <h3><div class="tool-icon"><span>🖼️</span></div>海报快速生成</h3>
                        <p>快速创建营销推广海报，支持朋友圈、小红书等多种模板，可自定义文字、图片和配色</p>
                    </div>
                    <div class="tool-card" data-category="image">
                        <h3><div class="tool-icon"><span>✂</span></div>网页截屏工具</h3>
                        <p>可对任意网页进行截屏，支持可视区域截屏、全网页滚动截屏，最终结果可预览后再保存</p>
                    </div>
                    <div class="tool-card" data-category="image">
                        <h3><div class="tool-icon"><span>✑</span></div>页面取色工具</h3>
                        <p>可直接在网页上针对任意元素进行色值采集，将光标移动到需要取色的位置，单击确定即可</p>
                        <div class="tool-demo"><div class="color-picker-demo"></div></div>
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                        <div class="tool-demo"><div class="ai-chat-demo">💬 AI: 我可以帮您优化代码...</div></div>
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                        <h3><div class="tool-icon"><span>📄</span></div>Markdown转换</h3>
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                        <div class="tool-demo"><div class="markdown-demo"># 标题<br/>**粗体** *斜体*</div></div>
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                        <h3><div class="tool-icon"><span>🐒</span></div>网页油猴工具</h3>
                        <p>自行配置页面匹配规则、编写Hack脚本，实现网页Hack，如页面自动刷新、自动抢票等</p>
                        <div class="tool-demo"><div class="monkey-script-demo">// 自动刷新脚本<br/>setInterval(refresh, 5000)</div></div>
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                <!-- 计算工具类 -->
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                    <div class="tool-card" data-category="calculator">
                        <h3><div class="tool-icon"><span>½</span></div>Crontab工具</h3>
                        <p>一个简易的Crontab生成工具，支持随机生成Demo，编辑过程中，分时日月周会高亮提示</p>
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                    <div class="tool-card" data-category="calculator">
                        <h3><div class="tool-icon"><span>$</span></div>贷(还)款利率</h3>
                        <p>贷款或还款利率的计算器，按月呈现还款计划；并支持按还款额反推贷款实际利率</p>
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                    <div class="tool-card" data-category="calculator">
                        <h3><div class="tool-icon"><span>♆</span></div>随机密码生成</h3>
                        <p>将各种字符进行随机组合生成密码，可以由数字、大小写字母、特殊符号组成，支持指定长度</p>
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                <!-- 其他工具 -->
                <div class="tools-grid" data-category="other">
                    <div class="tool-card" data-category="other">
                        <h3><div class="tool-icon"><span>🧠</span></div>便捷思维导图</h3>
                        <p>轻量便捷，随想随用，支持自动保存、本地数据存储、批量数据导入导出、图片格式下载等</p>
                        <div class="tool-demo"><div class="mindmap-demo"><div class="node-main"></div><div class="connector"></div><div class="node-sub"></div></div></div>
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                        <h3><div class="tool-icon"><span>📊</span></div>Excel转JSON</h3>
                        <p>将Excel或CVS中的数据，直接转换成为结构化数据，如JSON、XML、MySQL、PHP等</p>
                        <div class="tool-demo"><div class="excel-demo">Excel → JSON</div></div>
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                        <h3><div class="tool-icon"><span>📏</span></div>网页栅格标尺</h3>
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                        <h3><div class="tool-icon"><span>🔧</span></div>FH开发者工具</h3>
                        <p>以开发平台的思想，FeHelper支持用户进行本地开发，将自己的插件功能集成进FH工具市场</p>
                        <div class="tool-demo"><div class="devtools-demo">&lt;/&gt; 开发平台</div></div>
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                        <div class="timeline-year">2011</div>
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                            <h3>项目启动</h3>
                            <p>FeHelper 1.0版本在Google Chrome Webstore发布，开始服务广大职场人</p>
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                        <div class="timeline-year">2016</div>
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                            <h3>功能扩展</h3>
                            <p>集成JSON美化、编码转换、二维码等核心工具，用户突破10万</p>
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                        <div class="timeline-year">2020</div>
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                            <h3>开源发布</h3>
                            <p>项目在GitHub开源，支持社区贡献，增加Firefox和Edge支持</p>
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                        <div class="timeline-year">2024</div>
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                            <h3>全新升级</h3>
                            <p>升级到Manifest V3，用户超过20万，GitHub Star超过5K</p>
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                        <div class="timeline-year">2025</div>
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                            <h3>AI与智能化升级</h3>
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                                    <span class="step-number green">2</span>
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                                    <span class="step-number purple">3</span>
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                                ✅ <strong>官方版本</strong>：与商店版本完全一致<br>
                                ✅ <strong>开源透明</strong>：MIT协议，代码可审计<br>
                                ✅ <strong>安全可靠</strong>：数据本地处理，隐私无忧<br>
                                ✅ <strong>持续更新</strong>：社区活跃，功能不断增强<br>
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                                <li>点击上方按钮进入Chrome-Stats下载页面</li>
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                                <li>在Chrome地址栏输入：<code>chrome://extensions</code></li>
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                                <li>点击"<strong>添加扩展程序</strong>"完成安装</li>
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                                方法二：ZIP文件安装
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    (function() {
      // 判断是否在微信内置浏览器
      var ua = window.navigator.userAgent.toLowerCase();
      if (!/micromessenger/.test(ua)) return;
      var url = location.href.split('#')[0];
      fetch('https://chrome.fehelper.com/api/wechat-signature?url=' + encodeURIComponent(url))
        .then(function(res) { return res.json(); })
        .then(function(cfg) {
          wx.config({
            debug: false,
            appId: cfg.data.appId,
            timestamp: cfg.data.timestamp,
            nonceStr: cfg.data.nonceStr,
            signature: cfg.data.signature,
            jsApiList: [
              'updateAppMessageShareData',
              'updateTimelineShareData'
            ]
          });
          wx.ready(function () {
            // 分享给好友
            wx.updateAppMessageShareData({
              title: 'FeHelper - 职场人的超级助手',
              desc: '全新升级！30+实用工具，支持Chrome/Edge/Firefox，开源免费，前端/数据/办公必备！',
              link: url,
              imgUrl: 'https://fehelper.com/static/img/fe-128.png'
            });
            // 分享到朋友圈
            wx.updateTimelineShareData({
              title: 'FeHelper - 职场人的超级助手：全新升级！30+实用工具，开源免费，前端/数据/办公必备！',
              link: url,
              imgUrl: 'https://fehelper.com/static/img/fe-128.png'
            });
          });
        });
    })();
    </script>

    <script src="static/js/script.js?v=20250628"></script>
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